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Finding the Fourth Proportional to 8,945.00, 13,424.42 and 6,190.92

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Solution

The fourth proportional to 8,945.00, 13,424.42 and 6,190.92 is: 9,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.00 : 13,424.42 = 6,190.92 : x
  2. Step 2: Convert to fraction form
    8,945.00/13,424.42 = 6,190.92/x
  3. Step 3: Cross multiply
    8,945.00x = 13,424.42 × 6,190.92
  4. Step 4: Simplify right side
    8,945.00x = 83,109,498.16
  5. Step 5: Solve for x
    x = 83,109,498.16/8,945.00
  6. Step 6: Final answer
    x = 9,291.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.